body {
  font: 14px/1.5 "Microsoft YaHei",Tahoma,"simsun",sans-serif;
}

.top_wrapper {
  width: 980px;
  margin: 0 auto;
}

.header_wrapper {
  width: 1300px;
  margin: 0 auto;
}

.main_wrapper {
  width: 1200px;
  margin: 0 auto;
}

/* 新闻类型小图标封装 */
.news_type::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 16px;
  margin-right: 5px;
  margin-top: 2px;
  border: 1px solid #ff3636;
  border-radius: 2px;
  text-align: center;
  line-height: 16px;
  font-size: 12px;
  vertical-align: top;
}

.news_type_hot::before {
  content: '热门';
  color: #ff3636;
  border-color: #ff3636;
}

.news_type_notice::before {
  content: '公告';
  color: #f4be19;
  border-color: #f4be19;
}

/* section_header封装 */
.section_header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.section_header .header_left .title {
  padding-left: 32px;
  font-size: 22px;
  color: #323235;
  background: url(../img/sprite/main_sprite01.png) no-repeat 0 -102px;
}

.section_header .header_left .title_icon_match {
  background-position: -2px -180px;
}


.section_header .header_left .title_icon_hero {
  background-position: 0 -140px;
}

.section_header .header_right {
  display: flex;
  align-items: center;
}

.section_header .header_right .more {
  padding-left: 22px;
  color: #999;
  background: url(../img/sprite/main_sprite01.png) no-repeat -252px 3px;
}

.section_header .header_right .more:hover {
  color: #f3c258;
}

/* tab_control封装 */
.tab_control {
  display: flex;
  align-items: center;
  height: 32px;
  line-height: 29px;
  background-color: #f5f5f5;
}

.tab_control .tab_control_item {
  flex: 1;
  color: #999;
  border-bottom: 3px solid transparent;
  text-align: center;
  cursor: pointer;
}

.tab_control .tab_control_item.item_wrap {
  flex: 0 auto;
  padding: 0 27px 0;
}

.tab_control .active,
.tab_control .tab_control_item:hover {
  border-bottom: 3px solid #f3c258;
  color: #333;
}

.tab_control .tab_control_line {
  width: 1px;
  height: 20px;
  background-color: #e1e1e1;
}

/* tab_keyword封装 */
.tab_keyword {
  display: flex;
  flex-wrap: wrap;
  padding: 8px 0 9px;
}

.tab_keyword > .item {
  height: 24px;
  margin-right: 8px;
  padding: 0 13px 0 8px;
  border: 1px solid #e5e5e5;
  border-radius: 10px;
  color: #333;
  line-height: 24px;
  text-align: center;
  background-color: #f5f5f5;
  cursor: pointer;
}

.tab_keyword > .active,
.tab_keyword > .item:hover {
  color: #fff;
  background-color: #f3c258;
  border-color: #f3c258;
}

/* video_list封装 */
.video_list {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.video_item {
  display: inline-block;
  width: 212px;
  margin-bottom: 30px;
}

.video_item .album {
  position: relative;
}

.video_item .album img {
  width: 100%;
  border-radius: 2px;
}

.video_item .album .info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  height: 22px;
  padding: 0 10px;
  line-height: 22px;
  color: #fff;
  font-size: 12px;
  background-color: rgba(0, 0, 0, .6);
}

.video_item .album .info .info_count {
  padding-left: 15px;
  background: url(../img/sprite/main_sprite01.png) no-repeat -256px -59px;
}

.video_item .album .cover {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  opacity: 0;
  /* display: none;  display不支持动画    */ 
  background-color: rgba(0, 0, 0, .6);
  transition: opacity 400ms ease-in-out;
}

.video_item:hover .album .cover {
  /* display: block; */
  opacity: 1;
}

.video_item .album .cover .icon_play {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  margin: auto;
  width: 40px;
  height: 40px;
  background: url(../img/sprite/main_sprite01.png) no-repeat -192px -64px;
}

.video_item .desc {
  height: 40px;
  margin-top: 10px;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* icon_type封装 */
.icon_type {
  display: inline-block;
  width: 24px;
  height: 24px;
  vertical-align: middle;
  background: url(../img/sprite/main_sprite01.png) no-repeat;
}

.icon_type_hot {
  background-position: -159px -67px;
}

.icon_type_fans {
  background-position: -134px -68px;
}

.icon_type_guard {
  background-position: -133px -6px;
}